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3 years ago

Select the correct answer.

Mathematics

2 answers:

erastovalidia [21]3 years ago

7 0

Answer:

here

Step-by-step explanation:

Elis [28]3 years ago

7 0

Answer:

Yes you are correct. It is x^4/21 or C.

Step-by-step explanation:

x^-2/3 • x^6/7

x^ -2/3 + 6/7

x^ 7(-2) + 3•6 / 3•7

x^ -7 •2 + 18 / 3•7

x^ -14 + 18 / 3•7

x^ 4 / 3•7

x^ 4/21

You might be interested in

Ms. Moore is purchasing a house and needs to

irina1246 [14]

$251,618

Step-by-step explanation:

Amount = $ 150,000

APR = 3.8 % = 3.8 / 100 = 0.0038

Rate per month = 0.003166

Monthly payment = 30 years = 360 months

Interest = P* r/n (1 + r/n) ∧ nt ÷ (1 + r/n) ∧ nt - 1

The total amount Ms Moore will pay back to the bank =

= $251,618

8 0

3 years ago

Someone help me step by step

Ipatiy [6.2K]

Answer:

D: 13

Step-by-step explanation:

$|(-2)^{2}+(-3)^{2}|\\= |4+9|\\= 13$

I hope I helped you! Please mark me brainiest if I am correct. Thanks!

4 0

3 years ago

Which two expressions are equivalent to 5 x 87

loris [4]

The answers are 5 x (80 x 7) and 80 fives plus 7 fives

3 0

3 years ago

A 90 percent confidence interval for the slope of a regression line is determined to be (-0.181, 1.529). Which of the following

GenaCL600 [577]

Answer: a. The correlation coefficient of the data is positive.

Step-by-step explanation:

Estimated slope of sample regression line = $\dfrac{Upper \ limit + lower\ limit}{2}$

Here , confidence interval : (-0.181, 1.529)

Estimated slope of sample regression line = $\dfrac{-0.181+1.529}{2}$

$=\dfrac{1.348}{2}\\\\=0.674\ \ \ \ [\text{ positive}]$

⇒Correlation coefficient(r) must be positive, So a. is true.

But, d. and e. are wrong(0.674 ≠ 0 or 1.348).

We cannot check residuals or its sum from confidence interval of slope of a regression line, so b is wrong.

We cannot say that scatterplot is linear as we cannot determine it from interval, so c. is wrong

So, the correct option : a. The correlation coefficient of the data is positive.

7 0

3 years ago

I need your help please!

irga5000 [103]

Answer:

Step-bye-step explanation:

3/10 inch = 7/8miles

1inch = 7/8÷ 3/10 miles

= 7/8 × 10/3

= 35/12miles

= 2 11/12

3 0

3 years ago